B3.1 - Gas Exchange Flashcards
(13 cards)
1
Q
ventilation rate
A
number of inhalations & exhalations per min
2
Q
tidal volume
A
volume of air inhaled and exhaled per breath
3
Q
vital capacity
A
max amt of air lungs can hold
4
Q
inspiratory breath reserve
A
amt of air a person can inhale after nromal breath
5
Q
expiratory breath reserve
A
amt of air a person can exhale after normal breath
6
Q
VC =
A
TV + ERV + IRV
7
Q
concentration of oxygen and CO2 in air inspired into alveoli
A
high oxygen
low CO2
8
Q
stomata
A
openings for gas exchange
9
Q
waxy cuticle
A
prevents water loss
10
Q
palisade mesophyll
A
photosynthesis, absorbs sunlight
11
Q
spongy mesophyll
A
adapted for gas exchange
12
Q
CO2 moves … through spongy mesophyll
A
in
13
Q
O2 moves … through spongy mesophyll
A
out
